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Initialize class fields in constructor or at declaration?
... are leaving the developer to guess or go looking for the documentation on what the default value for that particular language would be. For readability purposes, I would always specify the default value.
– James
Jan 9 '13 at 12:50
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How should I use git diff for long lines?
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The display of the output of git diff is handled by whatever pager you are using.
Commonly, under Linux, less would be used.
You can tell git to use a different pager by setting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal al...
Alternative to google finance api [closed]
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here is what you asked for now...gregnozik.blogspot.in/2011/09/yahoo-finance-api_23.html
– AurA
Apr 6 '12 at 10:03
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...d setContext(SecurityContext securityContext);
}
Now, my controller (or whatever POJO) would look like this:
public class FooController {
private final SecurityContextFacade securityContextFacade;
public FooController(SecurityContextFacade securityContextFacade) {
this.securityContextF...
How to initialize an array in one step using Ruby?
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array = %w[ 1 2 3 ]
You can also pass a block to Array.new to determine what the value for each entry will be:
array = Array.new(3) { |i| (i+1).to_s }
Finally, although it doesn't produce the same array of three strings as the other answers above, note also that you can use enumerators in Ruby...
\r\n, \r and \n what is the difference between them? [duplicate]
...ne.
\n goes one line down.
As for your replacement, you haven't specified what language you're using, so here's the sketch:
someString.replace("\r\n", "\n").replace("\r", "\n")
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How to get my IP address programmatically on iOS/macOS?
...ess programmatically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
10 Answer...
Extract value of attribute node via XPath
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What if i would like to extract only the value/description/data present in between the tags ....
– Dinu Duke
Feb 22 '17 at 7:52
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How do I check (at runtime) if one class is a subclass of another?
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What if you find out you can't do that thing with it? Do you catch an exception and try something else?
– wrongusername
Apr 20 '16 at 20:33
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Xcode 6 Bug: Unknown class in Interface Builder file
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what about for xib files?
– SleepsOnNewspapers
Apr 27 '15 at 21:59
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